The filter attenuation issue is only on the Orion. The Orion II roofing
filter cicuit was completely redesigned and uses very different filters.
Carl Moreschi N4PY
121 Little Bell Drive
Bell Mountain
Hays, NC 28635
----- Original Message -----
From: "Larry DiGioia" <listacct@longwire.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Thursday, April 19, 2007 9:06 PM
Subject: Re: [TenTec] O II Filters
> I am aware of the supposed attenuation on the narrower filters, and have
> tried testing this many times. I am unable to notice any attenuation
> except very occasionally with the 300... and I also have heard (here)
> that this attenuation is only a problem on Orions, not Orion II's.
>
> In other words, I am quite happy leaving all enabled and auto-select on.
> (I should mention that I also seldom use wider than 500 or 600 Hz either.)
>
> RaySoifer@cs.com wrote:
> > In a message dated 4/19/2007 4:48:25 PM Pacific Daylight Time,
> > listacct@longwire.com writes:
> >
> >> Doesn't anyone but me just leave it on "auto" filter selection?
> >>
> >>
> > I use auto filter selection after I've decided which of the optional
filters
> > I want to enable. The narrower the filter, the more insertion loss, so
you
> > don't want to enable the narrowest filters unless you need them, such as
in a
> > crowded CW band.
> >
> > 73,
> >
> > Ray W2RS
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
> >
>
>
> --
> Larry N8KU
>
> l o n g w i r e . c o m
> HF - DX - CW - Digital
>
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